Welcome to the Mobile Sources Control Program

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​​The purpose of the Mobile Sources Control Program is to implement measures and programming that will reduce motor vehicle related pollution. Take a closer look at the following resources that are helping Maryland achieve cleaner air:

Grants and Loans

Smoking Vehicle Hotline

Contact Us

​What are Mobile Sources?

Mobile Sources include a variety of vehicles, engines, and equipment that generate air pollution, and that move or can be moved from place to place. There are two categories of mobile sources: on-road vehicles and nonroad vehicles.